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DOI:	10.1371/journal.pone.0156502
论文题名:	Ice-Active Substances from the Infective Juveniles of the Freeze Tolerant Entomopathogenic Nematode, Steinernema feltiae
作者:	Farman Ali; David A. Wharton
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2016
发表日期:	2016-5-26
卷:	11, 期:5
语种:	英语
英文关键词:	Crystals ; Crystal growth ; Antifreeze proteins ; Nucleation ; Nematode infections ; Glass science ; Heat treatment ; Ice core
英文摘要:	Steinernema feltiae is a moderately freezing tolerant nematode, that can withstand intracellular ice formation. We investigated recrystallization inhibition, thermal hysteresis and ice nucleation activities in the infective juveniles of S. feltiae. Both the splat cooling assay and optical recrystallometry indicate the presence of ice active substances that inhibit recrystallization in the nematode extract. The substance is relatively heat stable and largely retains the recrystallization inhibition activity after heating. No thermal hysteresis activity was detected but the extract had a typical hexagonal crystal shape when grown from a single seed crystal and weak ice nucleation activity. An ice active substance is present in a low concentration, which may be involved in the freezing survival of this species by inhibiting ice recrystallization.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0156502&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/23198
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0156502.PDF（1043KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Zoology, University of Otago, P.O. Box 56, Dunedin, New Zealand;Department of Zoology, University of Otago, P.O. Box 56, Dunedin, New Zealand

Recommended Citation:

Farman Ali,David A. Wharton. Ice-Active Substances from the Infective Juveniles of the Freeze Tolerant Entomopathogenic Nematode, Steinernema feltiae[J]. PLOS ONE,2016-01-01,11(5)

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